CPS Products BTLFV38 Fast-Vac Y Adapter 3/8M x 3/8M x 3/8FM Supercharge your HVACR evacuations with the Fast-Vac Vacuum Pump Y adapter: 3/8M x 3/8M x 3/8FM Highlighted Features: Rugged Stainless Steel construction ensures long-lasting performance Compatible with 3/8 male connection ports Tethered protective port caps Vacuum rated to 15 microns